Nine Aim High students explore shadows and light, and build their own energy machines over the Spring of 2001. In this webcast, the students look at things that glow in both the area of physics and the area of biology.

In these archived webcasts from inside the American Association for the Advancement of Science (AAAS) exhibition hall, watch as Exploratorium senior scientist Tom Humphrey challenges some of the top scientists in the world to explain the phenomena behind selected exhibits from the museum floor. In this webcast: the String Squirter exhibit, as explained by a guest physicist Leon Lederman.

In these archived webcasts from inside the American Association for the Advancement of Science (AAAS) exhibition hall, watch as Exploratorium senior scientist Tom Humphrey challenges some of the top scientists in the world to explain the phenomena behind selected exhibits from the museum floor. In this webcast: the String Squirter exhibit
as explained by physicist and Nobel laureate Leon Lederman

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This weeks secret ingredient: tennis balls!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This weeks secret ingredient: corks!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This weeks secret ingredient: marshmallow Peeps!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This weeks secret ingredient: Chanukah candles!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This weeks secret ingredient: ping pong balls!

Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers have ten minutes to create a science activity. This weeks secret ingredient: rulers and meter sticks!

Mesocyclone, centerpiece of the Turbulent Landscapes exhibition, is a 40 foot tall, working model of a hurricane. Powerful fans at the base of the structure create complex airflow patterns. These patterns are made visible by water vapor released from the top of the structure.

Webcasts made possible through the generosity of the Gordon and Betty Moore Foundation, the Jim Clark Endowment for Internet Education, the McBean Family Foundation.

Bandwidth and infrastructure support for connectivity to the California Research and Education Network and to other Internet2-connected networks provided by the Corporation for Educational Networks Initiatives in California (CENIC).